Model Comparison

Claude Opus 4 vs GPT-3.5 Turbo

Claude Opus 4 significantly outperforms across most benchmarks. GPT-3.5 Turbo is 40.0x cheaper per token.

Want to compare interactively?Try the playground

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4 outperforms in 1 benchmarks (GPQA), while GPT-3.5 Turbo is better at 0 benchmarks.

Claude Opus 4 significantly outperforms across most benchmarks.

Sun Apr 19 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-3.5 Turbo costs less

For input processing, Claude Opus 4 ($15.00/1M tokens) is 30.0x more expensive than GPT-3.5 Turbo ($0.50/1M tokens).

For output processing, Claude Opus 4 ($75.00/1M tokens) is 50.0x more expensive than GPT-3.5 Turbo ($1.50/1M tokens).

In conclusion, Claude Opus 4 is more expensive than GPT-3.5 Turbo.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Apr 19 2026 • llm-stats.com
Anthropic
Claude Opus 4
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
OpenAI
GPT-3.5 Turbo
Input tokens$0.50
Output tokens$1.50
Best providerAzure
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4 accepts 200,000 input tokens compared to GPT-3.5 Turbo's 16,385 tokens. Claude Opus 4 can generate longer responses up to 32,000 tokens, while GPT-3.5 Turbo is limited to 4,096 tokens.

Anthropic
Claude Opus 4
Input200,000 tokens
Output32,000 tokens
OpenAI
GPT-3.5 Turbo
Input16,385 tokens
Output4,096 tokens
Sun Apr 19 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4 supports multimodal inputs, whereas GPT-3.5 Turbo does not.

Claude Opus 4 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4

Text
Images
Audio
Video

GPT-3.5 Turbo

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude Opus 4

Proprietary

Closed source

GPT-3.5 Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Opus 4 was released on 2025-05-22, while GPT-3.5 Turbo was released on 2023-03-21.

Claude Opus 4 is 26 months newer than GPT-3.5 Turbo.

Claude Opus 4

May 22, 2025

11 months ago

2.2yr newer
GPT-3.5 Turbo

Mar 21, 2023

3.1 years ago

Knowledge Cutoff

When training data ends

GPT-3.5 Turbo has a documented knowledge cutoff of 2021-09-30, while Claude Opus 4's cutoff date is not specified.

We can confirm GPT-3.5 Turbo's training data extends to 2021-09-30, but cannot make a direct comparison without Claude Opus 4's cutoff date.

Claude Opus 4

—

GPT-3.5 Turbo

Sep 2021

Provider Availability

Claude Opus 4 is available from Anthropic, Bedrock, Google. GPT-3.5 Turbo is available from Azure, OpenAI.

Claude Opus 4

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

GPT-3.5 Turbo

azure logo
Azure
Input Price:Input: $0.50/1MOutput Price:Output: $1.50/1M
openai logo
OpenAI
Input Price:Input: $0.50/1MOutput Price:Output: $1.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher GPQA score (79.6% vs 30.8%)
OpenAI
Less expensive input tokens
Less expensive output tokens
AnthropicClaude Opus 4
OpenAIGPT-3.5 Turbo
Compare in Playground

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Opus 4
OpenAI
GPT-3.5 Turbo

FAQ

Common questions about Claude Opus 4 vs GPT-3.5 Turbo

Claude Opus 4 significantly outperforms across most benchmarks. Claude Opus 4 is made by Anthropic and GPT-3.5 Turbo is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Claude Opus 4 scores MMMLU: 88.8%, TAU-bench Retail: 81.4%, GPQA: 79.6%, MMMU (validation): 76.5%, AIME 2025: 75.5%. GPT-3.5 Turbo scores DROP: 70.2%, MMLU: 69.8%, HumanEval: 68.0%, MGSM: 56.3%, MATH: 43.1%.
GPT-3.5 Turbo is 30.0x cheaper for input tokens. Claude Opus 4 costs $15.00/M input and $75.00/M output via anthropic. GPT-3.5 Turbo costs $0.50/M input and $1.50/M output via azure.
Claude Opus 4 supports 200K tokens and GPT-3.5 Turbo supports 16K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (200K vs 16K), input pricing ($15.00 vs $0.50/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.
Claude Opus 4 is developed by Anthropic and GPT-3.5 Turbo is developed by OpenAI.